| Game | Result | Opening | Date |
|---|---|---|---|
| Mifsud, Timothy (2103) – Ondreicka, Roman (2012) | 0-1 | Sicilian Defense: French Variation | 2026-08-27 |
| Ondreicka, Roman (2012) – Kulich, Filip (2125) | 1/2-1/2 | Sicilian Defense: Four Knights Variation, Exchange Variation | 2026-08-26 |
| Groessing, Daniel-Yosuke (2125) – Ondreicka, Roman (2012) | 1-0 | Dutch Defense | 2026-08-25 |
| Ondreicka, Roman (2012) – Velim, Vojtech (2102) | 1-0 | Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | 2026-08-24 |
| Savicevs, Arsenijs (2235) – Ondreicka, Roman (2012) | 1-0 | Sicilian Defense: Paulsen-Basman Defense | 2026-08-23 |
| Ondreicka, Roman (2012) – Karas, Marek (2227) | 1/2-1/2 | Hungarian Opening | 2026-08-22 |
| Pechac, Jergus (2539) – Ondreicka, Roman (1943) | 1-0 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | 2026-07-17 |
| Ondreicka, Roman (1943) – Mizicka, Matus (1988) | 1-0 | Dutch Defense: Classical Variation | 2026-07-16 |
| Moravcik, Alex (1885) – Ondreicka, Roman (1943) | 0-1 | Sicilian Defense: Paulsen-Basman Defense | 2026-07-15 |
| Ondreicka, Roman (1943) – Kerdik, Adam (2064) | 0-1 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | 2026-07-14 |
| Benci, Jozef (2169) – Ondreicka, Roman (1943) | 1/2-1/2 | Sicilian Defense: French Variation | 2026-07-13 |
| Ondreicka, Roman (1943) – Gollner, Martin (2096) | 1-0 | Hungarian Opening | 2026-07-12 |
| Kapus, Samuel (1736) – Ondreicka, Roman (1943) | 0-1 | English Opening: Anglo-Indian Defense, King's Knight Variation | 2026-07-11 |
| Ondreicka, Roman (1943) – Skreko, Igor (2217) | 0-1 | Hungarian Opening: Sicilian Invitation | 2026-07-10 |
| Ondreicka, Roman (1943) – Skreko, Igor (2217) | 0-1 | Hungarian Opening: Sicilian Invitation | 2026-07-10 |
| Rexova, Kristina (1608) – Ondreicka, Roman (1943) | 0-1 | Queen's Pawn Game: London System | 2026-07-09 |
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